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Cooperative Adaptive Cruise Control

Cooperative Adaptive Cruise Control. SE 610 Team B 12/2/09. Outline. Introduction Conceptual View Module View Code View Execution View Flow and Scheduling Analysis Lessons Learned Questions. Context Diagram. CACC Document Architecture. Team inexperience with CACC technology.

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Cooperative Adaptive Cruise Control

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  1. Cooperative Adaptive Cruise Control SE 610 Team B 12/2/09

  2. Outline • Introduction • Conceptual View • Module View • Code View • Execution View • Flow and Scheduling Analysis • Lessons Learned • Questions

  3. Context Diagram

  4. CACC Document Architecture • Team inexperience with CACC technology Source: California PATH Research Report

  5. CACC Overall Architecture • Brake Sensor & Brake Actuation • CACC and CMS Connection • Vehicle Sensors • Throttle Actuation CACC CMS CACC System Communications Data Storage Brake Sensor Control Laws Brake Actuation/input Vehicle Sensors ECU Brake Actuation CAN BUS

  6. Conceptual View • Communication Component • Data Acquisition • Data Management • Speed Controller • System Management

  7. Communication Component

  8. Data Acquisition Component

  9. Data Management Component

  10. Speed Controller Component

  11. System Manager Component

  12. Module View • Siemens module view “use” relationship

  13. Results (Flows) • Flows • Speed Sensor to Speed Actuation • Inflexible with System Architecture • CACC Device to speed Actuator • Set Speed for speed controller • CACC Device to Brake Actuator • Automatic slowdown • Radar Device to Brake Actuator

  14. Results (Scheduling) • RTOS supporting (RMS, EDF) • RMS

  15. Lessons Learned

  16. Questions

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